Arte, E., Tinant, B., Declercq, J.-P., Germain, G., & Van Meerssche, M. (1980). Structure de l’acide L-Thiazolidinecarboxylique-4 Hydantoine C5H6N2O2S. Societes Chimiques Belges. Bulletin, 89(2), 117-120. https://doi.org/10.1002/bscb.19800890206 (Original work published 1980)